geospatial

package

v1.0.3 Latest Latest Go to latest Published: Jun 5, 2025 License: GPL-3.0 Imports: 3 Imported by: 0

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const (
	FloatPrecision = 8
	FloatBitSize   = 64
)

This section is empty.

func PointStr(lat, lon float64) string

func PolygonStr(points ...[]float64) string

type GeoPoint struct {
	Type        string    `json:"type"`
	Coordinates []float64 `json:"coordinates"`
}

func (p *GeoPoint) GetPoint() Point

type Point struct {
	// contains filtered or unexported fields
}

Point describe point

func NewPoint(s ...float64) Point

NewPoint return new point

func (p Point) Coordinate(i int) float64

Coordinate return coordinate for dimension (0-x, 1-y, 2-z)

func (p Point) Coordinates() [3]float64

Coordinates return all coordinates

func (p Point) Distance(p2 Vector) float64

Distance return distance between positions (euclidean)

func (p Point) DistanceSquare(p2 Vector) float64

DistanceSquare return distance square between positions (euclidean)

func (p Point) Dot(p2 Vector) float64

Dot scalar multiply

func (p Point) Normal() float64

Normal returns the vector's norm.

func (p Point) NormalSquare() float64

NormalSquare returns the vector's norm square.

type Vector interface {
	Coordinate(i int) (r float64)
	Coordinates() [3]float64
}

Vector describe any vector point